[ presh-er ]
/ ˈprɛʃ ər /
the exertion of force upon a surface by an object, fluid, etc., in contact with it: the pressure of earth against a wall.
Physics. force per unit area. Symbol: PCompare stress (def. 6).
Meteorology. atmospheric pressure.
Electricity. electromotive force.
verb (used with object), pres·sured, pres·sur·ing.
to force (someone) toward a particular end; influence: They pressured him into accepting the contract.
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OTHER WORDS FROM pressure
pres·sure·less, adjectivein·ter·pres·sure, adjectivenon·pres·sure, noun, adverbsu·per·pres·sure, noun, adjective
un·der·pres·sure, nounun·pres·sured, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for pressure
The danger in the case of such children is not over-pressure, but under-pressure.The Measurement of Intelligence|Lewis Madison Terman
If an alteration has to be made it must not be accomplished except "under-pressure."
British Dictionary definitions for pressure
/ (ˈprɛʃə) /
the state of pressing or being pressed
the exertion of force by one body on the surface of another
a moral force that compelsto bring pressure to bear
an urgent claim or demand or series of urgent claims or demandsto work under pressure
(tr) to constrain or compel, as by the application of moral force
another word for pressurize
Derived forms of pressurepressureless, adjective
Word Origin for pressure
C14: from Late Latin pressūra a pressing, from Latin premere to press
Medical definitions for pressure
[ prĕsh′ər ]
The act of pressing or condition of being pressed.
A stress or force acting in any direction against resistance.
Force applied uniformly over a surface, measured as force per unit of area.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for pressure
[ prĕsh′ər ]
The force per unit area that one region of a gas, liquid, or solid exerts on another. Pressure is usually measured in Pascal units, atmospheres, or pounds per square inch.♦ A substance is said to have negative pressure if some other substance exerts more force per unit area on it than vice versa. Its value is simply the negative of the pressure exerted by the other substance.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Cultural definitions for pressure
notes for pressure
The most familiar measure of pressure is psi (pounds per square inch), used to rate pressure in automobile and bicycle tires.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.